Circular dependency between <linux/kernel.h> and <asm/bug.h> on ARM

[Ben Hutchings]

Commit 87e040b6456fd3416a1f6831c1eedaef5c0a94ff ("ARM: 7017/1: Use
generic BUG() handler") makes BUG() use BUILD_BUG_ON().  However,
BUILD_BUG_ON() is not defined in <linux/bug.h> but in <linux/kernel.h>.

arch/include/asm/bug.h does not include <linux/kernel.h> and *cannot* do
so because the latter already includes <asm/bug.h>.

Maybe BUILD_BUG_ON() should be moved out to a header of its own, or else
this particular use should be moved to some other file.  This needs to
be fixed somehow, as it obviously leads to build failures, e.g.:

https://buildd.debian.org/status/fetch.php?pkg=linux-2.6&arch=armel&ver=3.2~rc7-1~experimental.1&stamp=1325142904

Ben.

-- 
Ben Hutchings
All the simple programs have been written, and all the good names taken.

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